The Irwin Vise-Grip 4.25 Inch End Nipper with Spring is a streamlined tool that features a high leverage for greater force at the jaw and an induction hardened cutting edge that stays sharp longer. This tool is made of Nickel chromium steel construction for overall strength and durability and also features ProTouch grip for comfort and reduced hand fatigue. Additionally the pliers are spring loaded. Features Nipper with Spring that features a high leverage for greater force Induction hardened cutting edge that stays sharp longer Made of Nickel chromium steel construction for overall strength and durability ProTouch grip for comfort and reduced hand fatigue Spring loaded